1. Check up reliability of all connections with weight. Check up conducting and system sockets. Easing of electric connections and bad contact to weight can cause many malfunctions which are observed as serious refusals.

2. Check up degree заряженности batteries. Normal work of gauges and actuation mechanisms of a dosage of fuel depends on pressure of a food.

3. Check up a condition of the air filter.

4. If the fused safety lock replace it is found out and check up work of a corresponding chain. If the safety lock fuses again find in conducting the wire closed on weight.

5. Check up tightness of the channel of an air line.

6. Remove from the case заслонки an air line and check up presence of resinous adjournment and a deposit.

7. On the working engine put a stethoscope (or a screw-driver) to each of atomizers and hear to the characteristic clicks specifying for normal work of atomizers.